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madder red; dark red; crimson
夕暮れの空が茜色に染まった。
The evening sky was dyed crimson.
茜色の夕日が山並みに沈んでいく。
The crimson sun sinks behind the mountain range.
窓から茜色の光が部屋に差し込んだ。
Crimson light streamed into the room through the window.